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| 5270689 | Hermann | Dec 1993 | |
| 5485197 | Hoarty | Jan 1996 | |
| 5500794 | Fujita et al. | Mar 1996 | |
| 5508736 | Cooper | Apr 1996 | |
| 5528304 | Cherrick et al. | Jun 1996 | |
| 5543857 | Wehmeyer et al. | Aug 1996 | |
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| 5616031 | Logg | Apr 1997 | |
| 5627531 | Posso et al. | May 1997 | |
| 5687331 | Volk et al. | Nov 1997 |
| Number | Date | Country |
|---|---|---|
| 0498082A1 | Aug 1992 | EP |
| WO 9428479 | Dec 1994 | WO |
| WO 9500597 | Jan 1995 | WO |
| Entry |
|---|
| D. Hopkins, “Directional Selection is Easy as Pie Menus!”, USENIX Association, Fourth Computer Graphics Workshop, Cambridge, MA, Oct. 6-9 1987, p. 103. |
| J. Callahan et al, “An Empirical Comparison of Pie vs. Linear Menus”, Sep. 1987, pp. 1-14. |
| Screen dump of FSN screen. |